Original U.S. WWII Homefront “Know Your Airplanes” Plane-O-Graph Recognition Board with Squadrons on Back Japanese Marines We do not recommend washing

We do not recommend washing them as the dye is very easily rubbed away

This is a Heer Army officer rank equivalent to a U

First Empire sets were not typically marked and those that were re-issued in 1858 were often "sanitized" so as not to bring to anyone's attention that the Cuirasses were already 50 years old

then later in the 6th Infantry Division

N ordnance sub-inspector marking

Original U.S. WWII Homefront “Know Your Airplanes” Plane-O-Graph Recognition Board with Squadrons on Back Japanese Marines We do not recommend washingOriginal Item. Only One Available. This is a fascinating piece of WWII homefront ephemera, a Know Your Airplanes Plane O Graph Recognition Board. The dial consists of two die cut wheels held together w rivet at center. When top wheel is spun, die cut opening reveals different warplane illustration along w in flight silhouette. Top wheel also lists the names of some featured planes, including P 51 Mustang, B 17 Flying Fortress, P 40 Tomahawk, P 38